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S F 思否: https://segmentfault.com/u/niumoo
公众号:程序猿阿朗,分享编程点点滴滴。
☕【Java 新特性系列】Java 版本任你发,我用 Java 8 。但是多学点这种奇巧的装 X 技巧总没错,何况有些新语法说不定是真香呢。
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未读代码:https://www.wdbyte.com
Debug站:https://debug.group
必应壁纸:https://bing.wdbyte.com
掘金主页:https://juejin.im
S F 思否: https://segmentfault.com/u/niumoo
公众号:程序猿阿朗,分享编程点点滴滴。
@test
public void simpleTest(){
List numbers = Arrays.asList(1, 2, 3);
int[] factor = new int[] { 2 };
Stream stream = numbers.stream()
.map(e -> e * factor[0]);
factor[0] = 0;
stream.forEach(System.out::println);
}
作者大大,请问这个为什么改了factor[0]的数值,遍历出来的流数值就会改变呢? 明明map映射的时候,采用的是factor[0]=2的数值啊。无法理解,能解释一下吗?
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